20994230

素因数分解:

$2^1\times 5^1\times {\mathrm{881}}^1\times {\mathrm{2383}}^1$

素因数の和:3271

約数の個数: 16

約数和(自身を含む): 37848384

約数和(自身を除く): 16854154

約数列:

[1, 2, 5, 10, 881, 1762, 2383, 4405, 4766, 8810, 11915, 23830, 2099423, 4198846, 10497115, 20994230]

約数ペア:

[(1, 20994230), (2, 10497115), (5, 4198846), (10, 2099423), (881, 23830), (1762, 11915), (2383, 8810), (4405, 4766)]